42847490 has 16 divisors (see below), whose sum is σ = 88143552. Its totient is φ = 14690544.

The previous prime is 42847477. The next prime is 42847499. The reversal of 42847490 is 9474824.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42847499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305984 + ... + 306123.

It is an arithmetic number, because the mean of its divisors is an integer number (5508972).

Almost surely, 2^42847490 is an apocalyptic number.

42847490 is an abundant number, since it is smaller than the sum of its proper divisors (45296062).

42847490 is a wasteful number, since it uses less digits than its factorization.

42847490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612121.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42847490 is about 6545.7994164197. The cubic root of 42847490 is about 349.9251268412.

The spelling of 42847490 in words is "forty-two million, eight hundred forty-seven thousand, four hundred ninety".